CVE-2025-49587: xwiki-platform · Insufficient UI Warning of Dangerous Operations
Affects xwiki-platformSource CVE Database V5
Not known to be exploited · CVSS 6.4 Medium · fixed in 16.10.2 : update xwiki-platform when convenient.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 16.10.2, 16.4.7, 15.10.16
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:HExploitation evidence
Disclosed: evidence found.
CVE published 13 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade xwiki/xwiki-platform to 16.10.2, 16.4.7 or 15.10.16.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubxwiki/xwiki-platformpkg:github/xwiki/xwiki-platformOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
To mitigate this vulnerability effectively, European organizations should: 1) Immediately upgrade all affected XWiki instances to the patched versions 15.10.16, 16.4.7, or 16.10.2, depending on their current deployment branch. 2) Implement strict role-based access controls to limit document creation and editing permissions, especially restricting who can create documents with script-related objects. 3) Enforce multi-factor authentication (MFA) for all administrative accounts to reduce the risk of session hijacking. 4) Conduct regular audits of documents containing the XWiki.Notifications.Code.NotificationDisplayerClass object or other potentially dangerous properties to identify and remediate suspicious content. 5) Train administrators to recognize and heed UI warnings introduced in patched versions, emphasizing caution when editing documents flagged as potentially dangerous. 6) Utilize web application firewalls (WAFs) with custom rules to detect and block suspicious HTML or script payloads in wiki content submissions. 7) Monitor administrative activity logs for unusual editing patterns or access from unexpected IP addresses. 8) Where possible, isolate the XWiki platform within segmented network zones to limit lateral movement in case of compromise. These targeted measures go beyond generic patching advice by focusing on operational controls, user training, and proactive monitoring tailored to the nature of this vulnerability.
Description
XWiki is an open-source wiki software platform. When a user without script right creates a document with an XWiki.Notifications.Code.NotificationDisplayerClass object, and later an admin edits and saves that document, the possibly malicious content of that object is output as raw HTML, allowing XSS attacks. While the notification displayer executes Velocity, the existing generic analyzer already warns admins before editing Velocity code. Note that warnings before editing documents with dangerous properties have only been introduced in XWiki 15.9, before that version, this was a known issue and the advice was simply to be careful. This vulnerability has been patched in XWiki 15.10.16, 16.4.7, and 16.10.2 by adding a required rights analyzer that warns the admin before editing about the possibly malicious code.